Pyle PBT55D Bluetooth Wireless Foldable Stereo Headphone Support Headset Profile (HSP), Hands-free Profile (HPF), Advanced Audio Distribution Profile (A2DP) Inter-operate with both Bluetooth Mobile Phones A2DP enabled Audio Devices. - With Foldable Headband Comfortable Earcups VoIP Call with USB Dongle Connected - Can Answer Phone Calls Listen to Stereo Music Compatible with Stereo BlueTooth Mobile Phones - Support Last Number Dial Voice Dial 12 Hours Talk Time, 10 Hours Music Listening Time,260 Hours Standby Time - Support Remote Control Features